Home / 91,166.50-125,816.08-50,888.10

Finding the Fourth Proportional to 91,166.50, 125,816.08 and 50,888.10

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Solution

The fourth proportional to 91,166.50, 125,816.08 and 50,888.10 is: 70,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,166.50 : 125,816.08 = 50,888.10 : x
  2. Step 2: Convert to fraction form
    91,166.50/125,816.08 = 50,888.10/x
  3. Step 3: Cross multiply
    91,166.50x = 125,816.08 × 50,888.10
  4. Step 4: Simplify right side
    91,166.50x = 6,402,541,260.65
  5. Step 5: Solve for x
    x = 6,402,541,260.65/91,166.50
  6. Step 6: Final answer
    x = 70,229.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.